Feature

●99 dB efficiency to ensure high output even with modest amplification
●Double silicone spider keeps excursion linear even beyond rated Xmax
●Neodymium magnet allows a very high motor strength without excess weight
●4.5" four layer CCA voice coil allows high power handling and Bl
●Aluminum shorting ring help control the voice coil for lower distortion


Description

B&C designed the 21DS115 21" high output subwoofer to produce more output and lower distortion than any other comparably priced driver. With high excursion, incredible efficiency, and excellent power handling, this driver has true earth shaking output capability.